yoke type track rolle YJF02

Track Roller the main structure: round body, a heavy axle, bushings, sealing ring, cultura related parts to form.
Track Roller, is excavator bulldozer chassis with one of the four area, its main function is to support tractor attachments and the weight of the bulldozer, let tracked down the wheels forward. http://www.underpan.com
yoke type track rolle YJF02